The influence of the mark on Dean reaches new heights, as Metatron begins to reveal himself to humanity. ...

Angels are committing suicide in Castiel's name. Sam and Dean try to find out why. ...

Abaddon makes a deal with Crowley to stop the Winchesters and recover the first blade. Castiel tries to bring Gadreel to his side in the war against Metatron. ...

Sam and Dean visit Chicago and find the city's underbelly is divided between powerful clans of monsters, including werewolves and shape-shifters. ...

Sheriff Mills calls Sam and Dean for help when she finds a young girl running from a vampire pack. ...

When Castiel rejects Metatron's offer to join forces, a surprising plan is set in motion; Gadreel is apprehended. ...

Dean copes with the side effects of the Mark of Cain, as Sam investigates a series of violent murders related directly to Abaddon. ...

Dean is frustrated when he can't reach Crowley, who has promised to find The First Blade. When Crowley finally calls Sam and Dean, he tells them he fell off the wagon and ...

As Dean and Sam investigate the murder of a teenage girl, they once again cross paths with the Ghostfacers. ...

Sam and Dean are stunned to discover that the Men of Letters' bunker is haunted. Their investigation leads them to a storage facility where the demons have been keeping a ...

Sam and Dean investigate recent murders where the victims were hundreds of pounds lighter after their deaths. Suspecting witches, the two go undercover at a fancy day spa ...

After finding out that Garth is in the hospital, Sam and Dean go to check on him. Still carrying the guilt over Kevin, Dean lays into Garth about disappearing and demands ...

The unlikely duo, Crowley and Dean are forced to work together in order to find an item which could help them in the war against Abaddon. During their search they come ac ...

Dean sets off to cast Gadreel out of Sam, but Castiel tells him the only way to do that is to ask for Crowley's help. Will Crowley be able to save Sam? Will he double-cro ...

The angels go to war against each other. A secret about Ezekiel is revealed. ...

Sheriff Mills calls Sam and Dean for help with multiple disappearances in the town. Discovering all four victims belonged to the same church chastity group, Sam and Dean ...

Dean gets a call from an old friend named Sonny asking for help with a ghost. Sonny runs a home for delinquent boys, and Dean was sent there for stealing food when he was ...

Dean and Castiel team up to find a Rit Zien, an angel healer, who is easing peoples' suffering by killing them. Sam and Kevin ask Crowley for help in finding a way to ope ...

When the only witness to a couple of mysterious murders is a dog, Dean performs a risky spell to help him communicate with canines. ...

Sam and Dean accidentally free Dorothy, who has been trapped in the bunker for years, who seeks their help in killing the wicked witch. ...

Sam and Dean track down Castiel, while Bartholomew, a new leader of the fallen angels, tries to destroy him. ...

Sam and Dean reveal to Kevin that they have Crowley hostage, while Abaddon returns to hunt them all down. ...

Sam collapses and Dean sends out an emergency plea through prayer to any, and every, angel in the area to help Sam. In exchange, Dean agrees to owe that angel a favor. Ho ...

After the reveal of Crowley's plan, Sam and Dean make the decision to use Crowley as the last trial, curing a demon. However, while they are working on the Hell trials, C ...

Sam and Dean try to figure out how to cure a demon. Crowley starts killing victims that Sam and Dean have saved from previous jobs. Castiel and Metatron begin the trials ...

Despite his increasing weakness, which he ends up claiming to be purifying him from demonic ancestry, Sam convinces Dean they must go on with the triple trial. Crowley ge ...

The trials weakened Sam wearisomely, so after a shooting range test, Dean grounds him to recover. When their hacker acquaintance Charlie Bradbury arrives to report weird ...

Prophet Kevin has deciphered enough of the tablet to set the next to enable closing the gates of hell: to rescue a soul from hell, and their choice falls on hunt mentor B ...

Aidan, Josephine and Winchesters-acquaintance Krissy are teenage orphans who trap vampires, hoping to avenge their slain families. Victor Rogers acts as a good foster fat ...

Sam and Dean hunt down the angel tablet with assistance from Castiel and Meg. ...

The Winchesters come face to face with the gods! More than the angels and demons they've faced of late, the gods of Greek legend will appear when Sam and Dean investigate ...

The brothers are called to help cop acquaintance James Framton, now a police detective in East St. Louis, who fears his nightmares about committing ripper murders may be ...